ArticleJournal of advanced research2026
Root-derived low molecular weight organic acids modulate keystone microbial taxa impacting plant phosphorus acquisition.
Article in Journal of advanced research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Mechanisms and Research Progress of Phosphate-Solubilizing Microorganisms in Promoting Sustainable Crop Production.Microorganisms · 2026Review
- The precisely regulated keystone taxa facilitate microbial mineralization of soil organic phosphorus via niche partitioning.NPJ biofilms and microbiomes · 2026Article
- Plant-Derived Organic Acids Are Linked to Arbuscular Mycorrhizal Fungi andMicroorganisms · 2026Article
- Integration of proteomic, metabolomic, and ubiquitinomic analyses reveals potential mechanisms underlying low-phosphorus stress adaptation in soybean roots.BMC plant biology · 2026Article
- Regulatory effects of lavender varieties on rhizosphere soil properties and fungal community structure and function in semi-arid regions.Frontiers in microbiology · 2026Article
- Enhancing cow manure composting via staged inoculation of functional microbial consortia.Frontiers in microbiomes · 2026Article
- Simulating phenolic acid input enhances rice phosphorus uptake by increasing the relative abundance ofFrontiers in microbiology · 2026Article
- Integrated fertilization with organic manure andFrontiers in plant science · 2025Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionLow-molecular-weight organic acids (LMWOAs) present in root exudates modulate the assembly and function of phosphorus (P)-mobilizing bacteria in the rhizosphere. Nonetheless, relatively little is known about how specific LMWOAs affect the structure of rhizosphere microbes associated with P cycling.
objectivesThis study aimed to elucidate the mechanisms by which LMWOAs affect the recruitment of P-mobilizing bacterial communities, with implications for P bioavailability and plant P uptake.
methodsThe pqqC and phoD bacterial genes, along with root-derived LMWOAs, were profiled using amplicon sequencing and non-targeted metabolomics. The mechanisms underlying the stimulation of P-mobilizing bacteria for soil P mobilization and plant P uptake were investigated through in vitro and pot experiments, complemented by transcriptomics and proteomics.
resultsField data indicated that manure amendment increased the soil labile-P fraction and P bioavailability. Additionally, it was observed that root-derived aliphatic and aromatic LMWOAs modulated the structure, diversity, and abundance of pqqC and phoD genes, correlating with the expression levels of phosphate transporters and acid phosphatases in maize roots. In vitro and pot experiments validated the effects of 2-hydroxycinnamic, syringic, isoferulic, and alpha-ketoglutaric acids on the keystone bacteria (Burkholderia, Pseudomonas, Mesorhizobium, and Sinorhizobium). These molecules enhanced the diversity and abundance of pqqC and phoD genes, affecting maize root morphology, plant gene expression, and protein synthesis.
conclusionThis study elucidated the intricate interactions between maize root exudates and P-mobilizing bacteria. The results provide new avenues for exploring root-derived LMWOAs as signaling molecules to optimize synthetic biological strategies for sustainable agriculture.
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